| National Highway 81 | ||||
|---|---|---|---|---|
| Route information | ||||
| Length: | 340 km (210 mi) | |||
| Major junctions | ||||
| North end: | Coimbatore, Tamil Nadu | |||
| South end: | Bangalore, Karnataka | |||
| Location | ||||
| States: | Tamil Nadu: 340 km (210 mi) | |||
| Primary destinations: |
Coimbatore - Karur - Tiruchirappalli - Chidambaram | |||
| Highway system | ||||
|
||||
National Highway 81, commonly referred to as NH 81, is a highway connecting the city of Coimbatore to Chidambaram in South India.